samsung 18650 battery
Worth a lookShows a thin review moat (206 avg reviews), but a small market ($12K/yr) keeps it on the watch list.
Review moat
Great205.88avg incumbent reviews — the moat a new listing must climb
Returns
Great1.5%return rate — above 5% kills the launch gate
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Great54%top-5 brand share — no brand owns this niche
Avg price
Great$17.46avg listing price — sweet spot $15–$100
Competition
Great37%top-5 click share — an open shelf
Price range
Good$6.87–$38.55cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-13.5%90-day search growth — must beat 0% to launch
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Market size
Bad$12K$12K/yr · 130K searches
According to Flapen's Amazon United States niche tracking, samsung 18650 battery is a $12K/yr Amazon United States market (130K searches/yr). The top 5 brands hold 54% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
samsung 18650 battery market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- $52K–$70K
- units × avg price
- Conversion rate
- 0.5%
- Avg BSR
- #809
- Page quality
- 0%
- Prime
- 85%
- Sponsored
- 85%
- Out of stock
- 11.1%
- Avg brand age
- 35 months
- Avg seller age
- 199 days
Competition & brand share
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
26 rising
Sellers
31
Top-5 brand share
54%
Top 20: 94%
Top-5 click share
37%
Top 20: 79%
Open market
41%
- Generic27%
- Yuntunele7%
- WANGDAJIEDIAN6%
- Imren6%
- Nitecore6%
- AEDIKO6%
Demand
Weekly Amazon search volume, last 51 weeks — -13.5% search growth over the last 90 days.Top samsung 18650 battery search terms
- samsung 18650 battery32K/yr
- samsung 30q 18650 battery13K/yr
- samsung 1865015K/yr
- 18650 rechargeable battery samsung11K/yr
- 18650 battery samsung11K/yr
- 18650 samsung10K/yr
- samsung 18650 rechargeable battery10K/yr
- samsung 35e 18650 battery6K/yr
- molicel p28a5K/yr
- samsung 25r 18650 battery5K/yr
Top samsung 18650 battery products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
3.7 USB Battery Charger with 2 Pack 3 7 2200mAh Flat Top Battery Ni-MH 2 Bay LCD Display Smart Universal USB Battery Chargers for Flashlights Headlamps Doorbells RC Cars Outdoor Garden Lights etc
Generic$17.754.5★389 rev
3.7 USB Battery Charger with 2 Pack 3 7 2200mAh Button Top Battery Ni-MH 2 Bay LCD Display Smart Universal USB Battery Chargers for Flashlights Headlamps Doorbells RC Cars Outdoor Garden Lights etc
Generic$17.774.5★389 rev
IMREN 18650 Battery Charger 21700 Battery Charger for 3.7V 14500 10400 18500 18350 18650 18700 20700 21700 22650 26650 Li-ion Battery 1.2V Ni-MH/Ni-Cd Battery 4 Bay 18650 USB C Charger
Imren$19.814.6★1,581 rev
AEDIKO 5pcs 18650 Lithium Li-ion Battery Charger Module+ 5pcs 18650 Battery Holder for 18650 Lithium Battery Fast Charging Boost Mobile Power Protection PCB Board
AEDIKO$7.944.2★107 rev
18650 Battery Charger Suitable for Lithium Battery 18650 20700 10440 14500 18500 16340 17500 Battery Charger USB Single Slot li-ion Rechargeable Battery Charger (Battery not Included)
WANGDAJIEDIAN$6.874.4★901 rev
Newest
by launch date
CYHZNBA 18650 3.6v 3000mah Ni-MH Pack Universal Connector 18650 2 Packs
CYHZNBA$22.493 rev
AFSONGOO 2Pack 3400 mAh Battery
AFSONGOO$15.420 rev
Svenirven Battery 2 Packs 3300mAh Button Top Battery Ni-MH Rechargeable Batteries for Headlamp LED Flashlight Electronic Devices etc (Blue)
Svenirven$15.791 rev
Yuntunele 2Pack 3500 mAh Battery Ni-MH Rechargeable Flat Top NiMH Batteries High Capacity Battery for LED Flashlight Headlamp Camera RC Car Mini Fans etc with Storage Box Blue
Yuntunele$15.545 rev
Yuntunele 3.7V 2 Packs Ni-MH Battery 3500mAh Flat Top Rechargeable Battery for LED Flashlight Headlamps Doorbells RC Cars
Yuntunele$15.773 rev
Trending
90-day click momentumYuntunele 2 Pcs 3500 mAh Battery AA Ni-MH Rechargeable Flat Top NiMH Batteries High Capacity Battery for LED Flashlight Headlamp Camera RC Car Mini Fans etc with Storage Box
Yuntunele$15.884.0★
Yuntunele 2 Pack 3.7V Ni-MH Button Top Battery Ni-MH Rechargeable Batteries for Headlamp LED Flashlight Electronic Devices etc
Yuntunele$16.124.2★
Yuntunele 3.7V 2 Packs Ni-MH Battery 3500mAh Flat Top Rechargeable Battery for LED Flashlight Headlamps Doorbells RC Cars
Yuntunele$15.772.5★
Svenirven Battery 2 Packs 3300mAh Button Top Battery Ni-MH Rechargeable Batteries for Headlamp LED Flashlight Electronic Devices etc (Blue)
Svenirven$15.795.0★
18650 Battery Charger 2 Bay Rechargeable Batteries Charger with Smart LCD Display Fast Charging for AA/AAA Ni-MH/Ni-Cd 3.7V Li-ion Batteries IMR/INR/ICR 18650 21700 17500 14500 26650 21750 26650
WANGDAJIEDIAN$12.694.3★
What buyers say about samsung 18650 battery
What buyers praise and complain about, mined from review topics.What buyers love
“Great charger”
“Long lasting batteries”
“As advertised”
“Good price”
“Feels well made”
“Easy to use”
“Fit well”
“Im giving these 5 stars for reliable”
“the test headlamp is shining bright”
“Works perfectly in my flashlights that use 18650”
What buyers complain about
“DOES NOT CHARGE PROPERLY”
“Bad bad batteries”
“Overpriced for medium quality”
“Fake ad”
“They are bigger”
“Did not work”
“does not inspire much confidence in its durability”
“Battery doesn't work in the headlamp”
“I tested a couple of these expecting to find the usual problem where the capacity is advertised at a much higher level than what is actually delivered”
“Overpriced, i found it”
Top return reasons
Common questions
- Is samsung 18650 battery profitable to sell on Amazon United States?
- The niche generates $12K/yr across 40 tracked products. 4 of 16 products launched in the last 360 days are still selling. 90-day search growth is -13.5%. Flapen's verdict: Worth a look (53/100).
- How competitive is the samsung 18650 battery niche?
- 26 brands and 31 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 54% of demand.
- What do buyers complain about in samsung 18650 battery?
- Top complaints mined from reviews: Charging, Battery Life, Quality-Overall. The return rate is 1.5%.
- What does it cost to enter the samsung 18650 battery niche?
- Listings span $6.87–$38.55; the average listing price is $17.46 (sweet spot $15–$100). The average incumbent carries 206 reviews — the moat a new listing must climb.